Bravis NB871 4G vs Cubot X20
Bravis NB871 4G
Cubot X20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 19(850), 20(800)
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HSDPA speed21 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE Cat4, 150.8 Mbps download, 51.0 Mbps uploadLTE, Cat6, 301 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGE-Yes
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Availability
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Oficially announced2018-102019-8
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Status2018-102019-8
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Design
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BuildPlasticAluminimum alloy, glass
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SIMDual SIM (dual stand-by)Dual SIM (Nano-SIM, Nano-SIM/microSD, dual stand-by)
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Height122.8 mm157.1 mm
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Width206.5 mm74.6 mm
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Thickness7.7 mm8.1 mm
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Weight332 g-
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ColorsBlackBlue, Black, Gold
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size8 inches6.3 inches
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Resolution1280 x 800 pixels1080 x 2340 pixels
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Pixel density189 ppi409 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A53Quad-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.5 GHz Cortex-A53
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ChipsetMediatek MT8735MediaTek Helio P23 (MT6763V)
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GPUMali-T720 MP2Mali-G71 MP2
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Memory RAM1 GB4 GB
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Internal storage16 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 8.1 OreoAndroid 9.0 Pie
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Main camera
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Camera typeSingleTriple
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Main camera2 MP11 MP, 1/2.9" , 1.25 µm
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20 MP, 1/2.78" , 1.0 µm
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8 MP
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Primary camera resolution1600 x 1200 pixels3968 x 2976 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLED flashdual-LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, self-timerAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera0.3 MP13 MP, 1.127 µm
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Selfie camera resolution640 x 480 pixels-
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Selfie camera video480p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-GoYesYes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometerAccelerometer, fingerprint, gyroscope, magnetometer, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Talk time 2G-28 h
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Talk time 3G-28 h
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Standby time 2G-347 h
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Standby time 3G-347 h
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Cost
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Price-250 USD
